Hydraulic fittings for a hydraulic unit with a security connecti

Details Hydraulic fittings for a hydraulic unit with a security connecti Hydraulic fittings for a hydraulic unit with a security connecti

1998-06-17

2000-02-01

Nicholson, Eric K.

Pipe joints or couplings

Having plural independent paths

Parallel paths

285 28, 2851243, F16L 3900

Patent

active

060193972

ABSTRACT:
A security hydraulic coupling system includes at least two hydraulic connector fittings (4, 5) which may be connected to adjacent fluid ports (1, 2) of a hydraulic unit (12) and which are linked to each other by means of a base plate (3) which is also shaped to cooperate with at least one projection (10) on the hydraulic unit (12) to thereby physically prescribe the positions of the various elements during the steps of fitting connection and disconnection. An interlock system comprises a security pin (6) which is housed in the base plate (3) and is mounted between the fittings (4, 5) and cooperates with grooves (7, 8) provided in the fittings (4, 5) to prescribe the possible sequence of steps in connecting/disconnecting the fittings (4, 5) from the ports of the hydraulic unit (12).

REFERENCES:
patent: 3869153 (1975-03-01), De Vincent et al.
patent: 4116476 (1978-09-01), Porter et al.
patent: 4753268 (1988-06-01), Palau
patent: 5201552 (1993-04-01), Hohmann et al.
patent: 5323808 (1994-06-01), Shimizu
patent: 5354101 (1994-10-01), Anderson, Jr.
patent: 5415437 (1995-05-01), Asou et al.
patent: 5507529 (1996-04-01), Martins
patent: 5556137 (1996-09-01), Ream
patent: 5556138 (1996-09-01), Nakajima et al.

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